Piston Ring, Engine

Piston Ring End Gap
Top Ring
Standard 0.2-0.3 (0.0079-0.0118)
Maximun Limit 0.7 (0.0276)
Second Ring
Standard 0.02-0.03 (0.0079-0.0118)
Maximum Limit 0.7 (0.0276)
Oil Ring
Standard 0.02-0.06 (0.0079-0.0275)
Maximum Limit 1.8 (0.0708)

Piston Ring Groove Clearance
First Ring 0.03-0.07 (0.0012-0.0027)
Second Ring 0.02-0.06 (0.0008-0.0023)